An experimental researcher selects students to participate in a study examining the influence of a new math curriculum in an elementary school grade. The researcher randomly assigns the students to the new curriculum or a control group. However, some other events focusing on math may occur outside the classroom. What potential threat to validity exists in this experiment?
a. History
b. Ability scores
c. Selection
d. Regression
a
You might also like to view...
Intentions determine
a. The direction of your feelings b. How you interpret the sensory input of feeling c. What you sense d. How long you will suppress your feelings
Children should begin using journals
a. after they know how to write conventionally. b. to practice correct spelling. c. to facilitate the notion that ideas can be represented symbolically. d. to express themselves exclusively in words.
A specific teaching routine in which there is a logical, orderly arrangement of steps is known as
a) organizational supports b) task-related behaviors c) an instructional strategy d) an essential routine
Answer the following statement(s) true (T) or false (F)
1.Early intervention is likely to help families who have a child with a disability find services they need such as counseling or financial aid. 2. Research demonstrates that intervention is more costly, yet more effective when it is provided earlier in life. 3. Research on early intervention for children with established risks, in particular Down syndrome, has demonstrated that declines in cognitive ability can be, to some extent, reversed with early intervention. 4. . Successful programs for young children with delays or disabilities are those that effectively separate a child's learning environment from their home life. 5. The notion of ecology suggests that a developing child cannot be viewed in isolation, but instead should be viewed as part of the larger systems in which they develop and interact.